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feat(core): Snapping of percentage options

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This commit implements the snapping of percentage options as
outlined in this proposal:

https://github.com/freesewing/freesewing/discussions/1331

Please refer to the link above for all details
This commit is contained in:
joostdecock 2021-09-15 20:20:59 +02:00
parent 0da866d923
commit 025cf9b88e
7 changed files with 161 additions and 4 deletions
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79
packages/core/tests/snap-proposal.js Normal file
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const expect = require("chai").expect;
const freesewing = require("./dist");
const measurements = { head: 400 }
const toAbs = (val, { measurements }) => measurements.head * val
it("Should snap a percentage options to equal steps", () => {
const design = new freesewing.Design({
options: {
test: { pct: 30, min: 0, max: 100, snap: 12, toAbs }
}
})
const patternA = new design({ options: { test: 0.13 }, measurements })
const patternB = new design({ options: { test: 0.27 }, measurements })
expect(patternA.settings.absoluteOptions.test).to.equal(60)
expect(patternB.settings.absoluteOptions.test).to.equal(108)
});
it("Should snap a percentage options to the Fibonacci sequence", () => {
const design = new freesewing.Design({
options: {
test: {
pct: 30, min: 0, max: 100, toAbs,
snap: [ 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144 ],
}
}
})
const patternA = new design({ options: { test: 0.13 }, measurements })
const patternB = new design({ options: { test: 0.27 }, measurements })
const patternC = new design({ options: { test: 0.97 }, measurements })
expect(patternA.settings.absoluteOptions.test).to.equal(55)
expect(patternB.settings.absoluteOptions.test).to.equal(89)
expect(patternC.settings.absoluteOptions.test).to.equal(388)
});
it("Should snap a percentage options to imperial snaps", () => {
const design = new freesewing.Design({
options: {
test: {
pct: 30, min: 0, max: 100, toAbs,
snap: {
metric: [ 25, 50, 75, 100 ],
imperial: [ 25.4, 50.8, 76.2, 101.6 ],
}
}
}
})
const patternA = new design({ options: { test: 0.13 }, measurements, units:'metric' })
const patternB = new design({ options: { test: 0.27 }, measurements, units:'metric' })
const patternC = new design({ options: { test: 0.97 }, measurements, units:'metric' })
const patternD = new design({ options: { test: 0.01 }, measurements, units:'metric' })
expect(patternA.settings.absoluteOptions.test).to.equal(50)
expect(patternB.settings.absoluteOptions.test).to.equal(100)
expect(patternC.settings.absoluteOptions.test).to.equal(388)
expect(patternD.settings.absoluteOptions.test).to.equal(4)
});
it("Should snap a percentage options to metrics snaps", () => {
const design = new freesewing.Design({
options: {
test: {
pct: 30, min: 0, max: 100, toAbs,
snap: {
metric: [ 25, 50, 75, 100 ],
imperial: [ 25.4, 50.8, 76.2, 101.6 ],
}
}
}
})
const patternA = new design({ options: { test: 0.13 }, measurements, units:'imperial' })
const patternB = new design({ options: { test: 0.27 }, measurements, units:'imperial' })
const patternC = new design({ options: { test: 0.97 }, measurements, units:'imperial' })
const patternD = new design({ options: { test: 0.01 }, measurements, units:'imperial' })
expect(patternA.settings.absoluteOptions.test).to.equal(50.8)
expect(patternB.settings.absoluteOptions.test).to.equal(101.6)
expect(patternC.settings.absoluteOptions.test).to.equal(388)
expect(patternD.settings.absoluteOptions.test).to.equal(4)
});